NSN 3120-00-075-0831

Part Details | LINEAR-ROTARY MOTION ROLLER

3120-00-075-0831 A cylindrical body having a centrally located hole to accommodate a pin or shaft for attachment to a push rod guide, yoke, rocker arm, turntable, or rail. The item provides a rolling contact with the face of a valve stem, or the lobes of a cam ring or camshaft on engines, fuel injection pumps, latches, turntables, parallel bearing surfaces requiring a roller support, and the like. Excludes BEARING, ROLLER, CYLINDRICAL; ROLLER, ELECTRICAL SWITCH; and friction bearings. See also CAM FOLLOWER, NEEDLE BEARING.

Alternate Parts: 123BM102731, 123BM10273-1, 123BM102731, 123BM10273-1, 123BM102731, 123BM10273-1, 3120-00-075-0831, 00-075-0831, 3120000750831, 000750831

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
31JAN 01, 196300-075-083128215 ( ROLLER, LINEAR-ROTARY MOTION )
REFERENCE DRAWINGS & PICTURES

PLAIN

Cross Reference | NSN 3120-00-075-0831
Part Number Cage Code Manufacturer
123BM10273-10R2T5DESIGN/OL, INC.
123BM10273-126512NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS
123BM10273-161174NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE
Technical Data | NSN 3120-00-075-0831
Characteristic Specifications
METALLIC HARDNESS RATING58.0 MINIMUM ROCKWELL C AND 64.0 MAXIMUM ROCKWELL C
CASEHARDENING INDICATOR NOT CASEHARDENED
STYLE DESIGNATOR PLAIN
OUTSIDE DIAMETER0.623 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
FACE WIDTH0.387 INCHES MINIMUM AND 0.392 INCHES MAXIMUM
BORE INSIDE DIAMETER0.498 INCHES MINIMUM AND 0.500 INCHES MAXIMUM